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Kawaguchi, Japan

Hirohisa Ohtsuka

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 77(Granted Patents)

Location History:

Saitama-ken, JP (1996)
Kawaguchi, JP (1996 - 1997)

Company Filing History:

4 out of 28,584

Ricoh Company, Ltd.

Years Active: 1996-1997

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5629755 - Image forming apparatus (1997-05-13),

2. 5610691 - Image forming apparatus having a contact charging member and a cleaning (1997-03-11),

3. 5572293 - Method of and system for cleaning a charge inducing member (1996-11-05),

4. 5526100 - Image recording apparatus having a toner quantity control unit (1996-06-11),

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